子机构
400-600-1123
logo GMAT备考资讯 答疑社区 GMAT公开课 提分课程

城市电话

申友-中心

免费咨询

咨询热线:

地址:
登录
注册

我的备考方案

获取方案

题库解析   >   动词形式题型   >   SC724-737题
    本题由hyman1提供
261次学习
SC724-737题

【OG20-P798-828题】

The English physician Edward Jenner found that if experimental subjects were deliberately infected with cowpox, which caused only a mild illness, they are immune from smallpox.


    <p>(A) which caused only a mild illness, they are immune from</p><p>&nbsp;</p><p>(B) causing only a mild illness, they become immune from</p><p>&nbsp;</p><p>(C) which causes only a mild illness, they are immune to</p><p>&nbsp;</p><p>(D) causing only a mild illness, they became immune from</p><p>&nbsp;</p><p>(E) which caused only a mild illness, they would become immune to</p><p>&nbsp;</p><p><br/></p>
登录申友留学,查看答案及解析
答案:
E

根据原文

的逻辑语义可知,此题考查if的虚拟语气

根据if+主语+were...,主语+would+动词原形的虚拟结构,可知E选项正确。

参与讨论

提交
吉祥物小蜜蜂
联系申友 全国免费咨询热线:400-600-1123

友情链接: 申友雅思 | 申友留学 | 申友GMAT官方微博 | 申友GMAT官方知乎机构账号

Copyright © 2020 All Right Reserved 申友教育 版权所有 沪ICP备17005516号-4 免责声明